README.md

copy-docker-image - Copy docker images without a full docker installation

Overview

When doing automated deployments, especially when using AWS ECR in multiple accounts, you might want to copy images from one registry to another without the need for a full docker installation. At LifeOmic we wanted to orchestrate the copying of images while executing inside a container without exposing a full Docker socket just for image manipulation.

To copy an image between two anonymous repositories, you can use a command line like:

Integration with AWS ECR

Because copy to AWS ECR was common a special URL format was added to automatically look up the right HTTPS URL and authorization token. Assuming a AWS CLI profile has been created for your account you can use a command like: